Politicians are optimizing for one objective: to be re-elected.
This is very different one from the objective I want them to focus on: improving the lives of their constituency.
This is very different one from the objective I want them to focus on: improving the lives of their constituency.
As that is not the case and improving the lives of their constituency doesn't necessarily get them voted for again AND whatever good they did may get undone before it really shows its effects: of course they only care about being reelected... Even if they had ideals and morals to begin with.